Home / 57,628.80-86,445.12-16,072.32

Finding the Fourth Proportional to 57,628.80, 86,445.12 and 16,072.32

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Solution

The fourth proportional to 57,628.80, 86,445.12 and 16,072.32 is: 24,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,628.80 : 86,445.12 = 16,072.32 : x
  2. Step 2: Convert to fraction form
    57,628.80/86,445.12 = 16,072.32/x
  3. Step 3: Cross multiply
    57,628.80x = 86,445.12 × 16,072.32
  4. Step 4: Simplify right side
    57,628.80x = 1,389,373,631.08
  5. Step 5: Solve for x
    x = 1,389,373,631.08/57,628.80
  6. Step 6: Final answer
    x = 24,109.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.